ACSS CONDUCTOR

ACSS CODNUCTOR


APPLICATION:
ACSS is used for overhead distribution and transmission lines.
It is designed to operate continuously at elevated temperatures up to 250°C without loss of strength. It sags less than a comparable ACSR under electrical loading; it is self-damping if pre-stretched during installation; and its final sags are not affected by long term creep of aluminum.


The advantages make ACSS especially useful in reconductoring applications requiring increased current with existing tensions and clearances, new line applications where structures can be economized because of reduced conductor sag.

CONSTRUCTION:


ACSS is a composite concentric-lay stranded conductor. Steel strands form the central core of the conductor with two or more layers of aluminum 1350-O wire stranded around it. The steel core carries most or all of the mechanical load of the conductor due to the “O” temper (fully annealed or soft) aluminum.

ACSS (Aluminum Conductor Steel Supported) is very similar to ACSR (Aluminum Conductor Steel Reinforced).  But, as their names imply, ACSS depends primarily on the steel core for support, whereas the ACSR is supported by both the aluminum and steel components.



ACSS(Aluminum Conductors Steel Supported)             

Code Word

Size
(kcmil)

Stranding
(Al/St)

Diameter
(mm)

Weight
kg/km

Rated Strength
(kN)

Resistance
Ω/km

Al Wire

Steel Wire

Steel Core

Complete Conductor

Al

Steel

Total

Standard Strength

High Strength

DC @ 20°C

AC @ 75°C

Partridge/ACSS

266.8

26/7

2.57

2.00

6.00

16.31

374

172

546

39.50

43.28

0.2063

0.2537

Junco/ACSS

266.8

30/7

2.40

2.40

7.19

16.76

375

246

621

52.04

57.83

0.2050

0.2520

Ostrich/ACSS

300

26/7

2.73

2.12

6.37

17.27

421

193

614

44.48

48.49

0.1837

0.2257

Linnet/ACSS

336.4

26/7

2.89

2.25

6.74

18.29

471

217

688

49.82

54.71

0.1637

0.2013

Oriole/ACSS

336.4

30/7

2.69

2.69

8.07

18.82

473

311

783

65.83

72.51

0.1627

0.2000

Brant/ACSS

397.5

24/7

3.27

2.18

6.54

19.61

557

204

761

48.93

53.82

0.1390

0.1713

Ibis/ACSS

397.5

26/7

3.14

2.44

7.33

19.89

557

256

813

57.83

63.16

0.1387

0.1707

Lark/ACSS

397.5

30/7

2.92

2.92

8.77

20.47

558

367

925

77.84

85.85

0.1377

0.1693

Flicker/ACSS

477

24/7

3.58

2.39

7.16

21.49

669

245

913

57.83

63.16

0.1160

0.1430

Hawk/ACSS

477

26/7

3.44

2.67

8.03

21.79

669

307

976

69.39

76.06

0.1153

0.1423

Hen/ACSS

477

30/7

3.20

3.20

9.61

22.43

670

440

1110

93.41

100.97

0.1147

0.1413

Parakeet/ACSS

556.5

24/7

3.87

2.58

7.73

23.22

780

285

1065

67.61

73.84

0.0993

0.1227

Dove/ACSS

556.5

26/7

3.72

2.89

8.67

23.55

780

358

1138

80.96

88.52

0.0990

0.1220

Eagle/ACSS

556.5

30/7

3.46

3.46

10.38

24.21

782

514

1295

108.98

117.88

0.0983

0.1210

Peacock/ACSS

605

24/7

4.03

2.69

8.06

24.21

848

310

1158

73.40

80.51

0.0913

0.1130

Squab/ACSS

605

26/7

3.87

3.01

9.04

24.54

848

390

1238

87.63

94.75

0.0910

0.1123

Wood Duck/ACSS

605

30/7

3.61

3.61

10.82

25.25

850

558

1408

115.65

125.88

0.0903

0.1113

Teal/ACSS

605

30/19

3.61

2.16

10.82

25.25

850

547

1397

118.32

130.33

0.0907

0.1117

Rook/ACSS

636

24/7

4.14

2.76

8.27

24.82

891

326

1217

76.95

84.52

0.0870

0.1073

Grosbeak/ACSS

636

26/7

3.97

3.09

9.27

25.17

891

410

1301

92.08

99.64

0.0867

0.1070

Scoter/ACSS

636

30/7

3.70

3.70

11.09

25.88

894

587

1481

121.88

132.11

0.0860

0.1060

Egret/ACSS

636

30/19

3.70

2.22

11.09

25.88

894

575

1468

124.55

137.45

0.0860

0.1063

Flamingo/ACSS

666.6

24/7

4.23

2.82

8.47

25.40

934

342

1276

80.96

88.52

0.0830

0.1027

Gannet/ACSS

666.6

26/7

4.07

3.16

9.49

25.76

934

429

1364

96.53

104.09

0.0827

0.1020

Stilt/ACSS

715.5

24/7

4.39

2.92

8.77

26.31

1003

367

1370

86.74

94.75

0.0773

0.0957

Starling/ACSS

715.5

26/7

4.21

3.28

9.83

26.70

1003

461

1464

103.64

112.10

0.0770

0.0953

Redwing/ACSS

715.5

30/19

3.92

2.35

11.77

27.46

1005

647

1652

137.01

151.24

0.0767

0.0947

Cuckoo/ACSS

795

24/7

4.62

3.08

9.25

27.74

1114

408

1522

96.53

103.64

0.0697

0.0863

Drake/ACSS

795

26/7

4.44

3.45

10.36

28.12

1114

512

1626

115.21

124.55

0.0697

0.0857

Macaw/ACSS

795

42/7

3.50

1.94

5.82

26.80

1114

162

1276

52.49

56.05

0.0703

0.0873

Tern/ACSS

795

45/7

3.38

2.25

6.75

27.00

1114

217

1332

63.16

67.61

0.0700

0.0877

Condor/ACSS

795

54/7

3.08

3.08

9.25

27.74

1114

408

1522

96.53

103.64

0.0697

0.0887

Mallard/ACSS

795

30/19

4.14

2.48

12.41

28.93

1117

718

1835

152.57

168.59

0.0690

0.0850

Ruddy/ACSS

900

45/7

3.59

2.40

7.18

28.73

1261

246

1507

70.28

75.62

0.0620

0.0777

Canary/ACSS

900

54/7

3.28

3.28

9.84

29.51

1261

461

1723

109.43

117.43

0.0613

0.0787

Redbird/ACSS

954

24/7

5.06

3.38

10.13

30.38

1337

489

1826

115.65

124.55

0.0580

0.0723

Rail/ACSS

954

45/7

3.70

2.47

7.40

29.59

1337

261

1598

74.29

80.07

0.0583

0.0733

Towhee/ACSS

954

48/7

3.58

2.79

8.36

29.85

1337

333

1670

87.63

94.75

0.0583

0.0727

Cardinal/ACSS

954

54/7

3.38

3.38

10.13

30.38

1337

489

1826

115.65

124.55

0.0580

0.0743

Canvasback/ACSS

954

30/19

4.53

2.72

13.59

31.70

1340

862

2202

182.82

201.95

0.0573

0.0713

Snowbird/ACSS

1033.5

42/7

3.99

2.21

6.64

30.56

1448

210

1659

68.50

73.40

0.0540

0.0680

Ortolan/ACSS

1033.5

45/7

3.85

2.57

7.70

30.78

1448

283

1731

80.51

86.74

0.0540

0.0680

Curlew/ACSS

1033.5

54/7

3.51

3.51

10.54

31.62

1448

530

1978

125.44

134.78

0.0537

0.0687

Bluejay/ACSS

1113

45/7

4.00

2.66

7.99

31.95

1560

304

1864

86.74

93.86

0.0500

0.0633

Finch/ACSS

1113

54/19

3.65

2.19

10.94

32.82

1567

559

2126

135.23

147.68

0.0500

0.0643

Bunting/ACSS

1192.5

45/7

4.14

2.76

8.27

33.07

1671

326

1997

95.19

104.53

0.0467

0.0593

Bittern/ACSS

1272

45/7

4.27

2.85

8.54

34.16

1783

348

2131

99.20

106.76

0.0437

0.0557

Pheasant/ACSS

1272

54/19

3.90

2.34

11.69

35.08

1791

639

2430

151.68

165.92

0.0437

0.0563

Dipper/ACSS

1351

45/7

4.40

2.93

8.80

35.20

1893

369

2263

105.42

113.43

0.0413

0.0527

Martin/ACSS

1351

54/19

4.02

2.41

12.05

36.17

1903

678

2581

161.03

176.15

0.0410

0.0533

Bobolink/ACSS

1431

45/7

4.53

3.02

9.06

36.25

2006

391

2397

111.65

120.10

0.0390

0.0500

Plover/ACSS

1431

54/19

4.14

2.48

12.41

37.21

2015

718

2734

170.81

186.38

0.0390

0.0503

Nuthatch/ACSS

1510

45/7

4.65

3.10

9.31

37.21

2116

413

2529

117.88

125.00

0.0370

0.0477

Parrot/ACSS

1510

54/19

4.25

2.55

12.74

38.23

2127

758

2885

179.71

196.61

0.0367

0.0480

Ratite/ACSS

1590

42/7

4.94

2.75

8.24

37.90

2228

323

2552

104.09

111.21

0.0350

0.0453

Lapwing/ACSS

1590

45/7

4.78

3.18

9.55

38.20

2228

435

2663

124.11

131.67

0.0350

0.0453

Falcon/ACSS

1590

54/19

4.36

2.62

13.08

39.22

2239

798

3038

189.49

207.29

0.0350

0.0457

Chukar/ACSS

1780

84/19

3.70

2.22

11.09

40.67

2507

575

3081

157.47

169.92

0.0313

0.0407

Mockingbird/ACSS

2034.5

72/7

4.27

2.85

8.54

42.70

2865

348

3213

120.99

128.55

0.0277

0.0367

Roadrunner/ACSS

2057

76/19

4.18

1.95

9.75

43.18

2897

444

3341

141.01

150.79

0.0273

0.0360

Bluebird/ACSS

2156

84/19

4.07

2.44

12.21

44.75

3036

696

3732

187.27

202.39

0.0260

0.0343

Kiwi/ACSS

2167

72/7

4.41

2.94

8.81

44.07

3052

370

3422

129.00

137.01

0.0260

0.0347

Thrasher/ACSS

2312

76/19

4.43

2.07

10.34

45.77

3256

499

3755

158.36

169.48

0.0243

0.0327

Joree/ACSS

2515

76/19

4.62

2.16

10.78

47.75

3542

543

4085

172.15

184.16

0.0223

0.0307


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